Can. 672
© Libreria Editrice Vaticana Source: vatican.va
§ 1. Sacramenta baptismi, chrismationis sancti myri et sacrae ordinationis iterari non possunt.
§ 2. Si vero prudens dubium exsistit, num re vera aut num valide celebrata sint, dubio quidem post seriam investigationem permanente sub condicione ministrentur.
Wording unchanged since the Code took effect in 1991.
Read the whole title TITULUS XVIDe Cultu Divino et Praesertim de Sacramentis 667–895